body{margin:0;padding:0;display:flex;align-items:center;justify-content:center;flex-direction:column;height:100vh;background-color:#111;color:#fff;font-family:Arial,sans-serif;overflow:hidden}.main{text-align:center}h1{font-size:20px;font-weight:700;margin-top:12px;text-transform:uppercase}.loader{width:48px;height:48px;display:block;margin:20px auto;position:relative;border:3px solid #fff;border-radius:50%;box-sizing:border-box;animation:2s linear infinite animloader}.loader::after{content:'';box-sizing:border-box;width:6px;height:24px;background:#fff;transform:rotate(-45deg);position:absolute;bottom:-20px;left:46px}@keyframes animloader{0%,100%{transform:translate(-10px,-10px)}25%{transform:translate(-10px,10px)}50%{transform:translate(10px,10px)}75%{transform:translate(10px,-10px)}}